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Duplicate of Probability
Duplicate of Probability
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Probability questions for statistics class. #probability
Flashcards
32 cards
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Questions
32
Answers
1
What are independent events?
Events where the probabilities ARE related.
Events where the probabilities ARE NOT related.
2
If I toss a fair coin twice and get tails both times, what is the probability that tails appears next toss?
0
1
1/2
2/3
3
If it rains 3 days in a row, what is the probability that it will rain the following day?
1/2
1/8
0
1/4
4
You roll a fair six-sided die once. What is the probability of getting an
even number
?
1/2
0
1/6
1/3
5
If you have 3 Snickers & 2 Mounds bars, what is the probability of picking a Mounds bar
both times without replacement
?
4/20
4/25
1/25
2/20
6
What is the probability on Monday of getting homework in your main math class?
3/4
1
1/2
0
7
What is the probability that a number less than 7 will appear when you roll a die one time?
1/2
1/6
0
1
8
Given a bag with 12 red and 7 green marbles, what is the odds of randomly selecting a
red
one?
1/2
7/19
7/12
12/19
9
What is the probability that it will rain tomorrow?
1/2
0
1/8
1/4
10
What is experimental probability?
The probability based on what should happen.
The probability based on what has happened?
11
What are dependent events?
Events where the probabilities ARE NOT related.
Events where the probabilities ARE related.
12
If the probability of an event happening is ¼, then the probability of it not happening is ¾.
True
False
13
What is the theoretical probability that you draw a
red
card from a shuffled deck of cards?
1/2
1/4
0
1/13
14
What is the probability of picking the ten of hearts from a deck of cards?
1/26
1/4
1/52
1/2
15
What is the odds of rolling a 7 when you roll one standard die one time?
3/6
5/6
1/6
0
16
On a single roll of a standard die, what is the probability that a 3 will NOT appear?
5/6
0
3/6
1/6
17
What is the probability of rolling a number
greater than 4
?
1/3
1/2
0
1
18
An event with a probability of 0.1 ...
is very likely to occur.
is certain to occur.
is not very likely to occur.
cannot occur.
19
What is the probability that you draw the
ace of diamonds
from the deck?
1/4
0
1/52
1/13
20
What is sample space, S?
The favorable outcomes of an event.
The total possible outcomes of an event.
The area where samples are.
21
What is theoretical probability?
The probability that should happen.
The probability based on what has happened.
22
On a single roll, what is the probability of rolling a five?
0
5/6
1/6
2/6
23
If I toss a fair coin, what is the probability that tails appears?
None of the these
0
1/2
1
24
Two coins are tossed. What is the probability of getting heads both times?
1/4
0
1/2
1
25
What is the probability that you draw an
ace
from a well-shuffled deck?
0
1/13
1/2
1/4
26
Two coins are tossed. What is the probability of getting head the first time and tails the 2nd time?
1/4
0
1/2
1
27
If an event is
impossible
, it has a probability of zero.
True
False
28
On a single roll of a standard die, what is the probability that an odd number will appear?
0
1/6
1
3/6
29
What is the probability that you draw a
diamond
from a well-shuffled deck of cards?
0
1/2
1/13
1/4
30
If an event is
certain to occur
, it has a probability of zero.
False
True
31
If you have 3 Snicker bars & 2 Mound bars in a bag, what is the probability of picking a Mound's bar out of the bag?
2/6
1/5
2/5
1/6
32
What is the probability of randomly choosing a vowel (a,e,i,o,u) from the English alphabet?
21/26
1/21
5/26
None of these.
